Deep undercutting is a method used on the Auction House of continually undercutting by large amounts. This is to discourage AH campers.
This method can work very well against campers asuming you can get below their posting threshold.
When you deep undercut just for the sake of deep undercutting....you are a douche.
I hate when people in the gem market undercut gems by 50-100 gold. It is annoying and dumb.
Sorry, Im just hating. I am a nickel and dime undercutter. I undercut everything by 1 silver generally. I can't stand deep undercutters. I will still undercut them, but they are cutting into my profits. On occasion, I will buy them out and reset the market. This is in the hopes that they dont have too much stockpiled.
I wonder if deep undercutters dislike nickel and dime undercutters as much as we dislike them.